f56d8bf106
SHT_GNU_verneed, SHT_GNU_versym), o Fix the definition of DT_HIOS -- it was short an 'f'...
384 lines
16 KiB
C
384 lines
16 KiB
C
/*-
|
|
* Copyright (c) 1998 John D. Polstra.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _SYS_ELF_COMMON_H_
|
|
#define _SYS_ELF_COMMON_H_ 1
|
|
|
|
/*
|
|
* ELF definitions that are independent of architecture or word size.
|
|
*/
|
|
|
|
/*
|
|
* Note header. The ".note" section contains an array of notes. Each
|
|
* begins with this header, aligned to a word boundary. Immediately
|
|
* following the note header is n_namesz bytes of name, padded to the
|
|
* next word boundary. Then comes n_descsz bytes of descriptor, again
|
|
* padded to a word boundary. The values of n_namesz and n_descsz do
|
|
* not include the padding.
|
|
*/
|
|
|
|
typedef struct {
|
|
u_int32_t n_namesz; /* Length of name. */
|
|
u_int32_t n_descsz; /* Length of descriptor. */
|
|
u_int32_t n_type; /* Type of this note. */
|
|
} Elf_Note;
|
|
|
|
/* Indexes into the e_ident array. Keep synced with
|
|
http://www.sco.com/developer/gabi/ch4.eheader.html */
|
|
#define EI_MAG0 0 /* Magic number, byte 0. */
|
|
#define EI_MAG1 1 /* Magic number, byte 1. */
|
|
#define EI_MAG2 2 /* Magic number, byte 2. */
|
|
#define EI_MAG3 3 /* Magic number, byte 3. */
|
|
#define EI_CLASS 4 /* Class of machine. */
|
|
#define EI_DATA 5 /* Data format. */
|
|
#define EI_VERSION 6 /* ELF format version. */
|
|
#define EI_OSABI 7 /* Operating system / ABI identification */
|
|
#define EI_ABIVERSION 8 /* ABI version */
|
|
#define OLD_EI_BRAND 8 /* Start of architecture identification. */
|
|
#define EI_PAD 9 /* Start of padding (per SVR4 ABI). */
|
|
#define EI_NIDENT 16 /* Size of e_ident array. */
|
|
|
|
/* Values for the magic number bytes. */
|
|
#define ELFMAG0 0x7f
|
|
#define ELFMAG1 'E'
|
|
#define ELFMAG2 'L'
|
|
#define ELFMAG3 'F'
|
|
#define ELFMAG "\177ELF" /* magic string */
|
|
#define SELFMAG 4 /* magic string size */
|
|
|
|
/* Values for e_ident[EI_VERSION] and e_version. */
|
|
#define EV_NONE 0
|
|
#define EV_CURRENT 1
|
|
|
|
/* Values for e_ident[EI_CLASS]. */
|
|
#define ELFCLASSNONE 0 /* Unknown class. */
|
|
#define ELFCLASS32 1 /* 32-bit architecture. */
|
|
#define ELFCLASS64 2 /* 64-bit architecture. */
|
|
|
|
/* Values for e_ident[EI_DATA]. */
|
|
#define ELFDATANONE 0 /* Unknown data format. */
|
|
#define ELFDATA2LSB 1 /* 2's complement little-endian. */
|
|
#define ELFDATA2MSB 2 /* 2's complement big-endian. */
|
|
|
|
/* Values for e_ident[EI_OSABI]. */
|
|
#define ELFOSABI_NONE 0 /* UNIX System V ABI */
|
|
#define ELFOSABI_HPUX 1 /* HP-UX operating system */
|
|
#define ELFOSABI_NETBSD 2 /* NetBSD */
|
|
#define ELFOSABI_LINUX 3 /* GNU/Linux */
|
|
#define ELFOSABI_HURD 4 /* GNU/Hurd */
|
|
#define ELFOSABI_86OPEN 5 /* 86Open common IA32 ABI */
|
|
#define ELFOSABI_SOLARIS 6 /* Solaris */
|
|
#define ELFOSABI_AIX 7 /* AIX */
|
|
#define ELFOSABI_IRIX 8 /* IRIX */
|
|
#define ELFOSABI_FREEBSD 9 /* FreeBSD */
|
|
#define ELFOSABI_TRU64 10 /* TRU64 UNIX */
|
|
#define ELFOSABI_MODESTO 11 /* Novell Modesto */
|
|
#define ELFOSABI_OPENBSD 12 /* OpenBSD */
|
|
#define ELFOSABI_OPENVMS 13 /* Open VMS */
|
|
#define ELFOSABI_NSK 14 /* HP Non-Stop Kernel */
|
|
#define ELFOSABI_ARM 97 /* ARM */
|
|
#define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */
|
|
|
|
#define ELFOSABI_SYSV ELFOSABI_NONE /* symbol used in old spec */
|
|
#define ELFOSABI_MONTEREY ELFOSABI_AIX /* Monterey */
|
|
|
|
/* e_ident */
|
|
#define IS_ELF(ehdr) ((ehdr).e_ident[EI_MAG0] == ELFMAG0 && \
|
|
(ehdr).e_ident[EI_MAG1] == ELFMAG1 && \
|
|
(ehdr).e_ident[EI_MAG2] == ELFMAG2 && \
|
|
(ehdr).e_ident[EI_MAG3] == ELFMAG3)
|
|
|
|
/* Values for e_type. */
|
|
#define ET_NONE 0 /* Unknown type. */
|
|
#define ET_REL 1 /* Relocatable. */
|
|
#define ET_EXEC 2 /* Executable. */
|
|
#define ET_DYN 3 /* Shared object. */
|
|
#define ET_CORE 4 /* Core file. */
|
|
#define ET_LOOS 0xfe00 /* First operating system specific. */
|
|
#define ET_HIOS 0xfeff /* Last operating system-specific. */
|
|
#define ET_LOPROC 0xff00 /* First processor-specific. */
|
|
#define ET_HIPROC 0xffff /* Last processor-specific. */
|
|
|
|
/* Values for e_machine. */
|
|
#define EM_NONE 0 /* Unknown machine. */
|
|
#define EM_M32 1 /* AT&T WE32100. */
|
|
#define EM_SPARC 2 /* Sun SPARC. */
|
|
#define EM_386 3 /* Intel i386. */
|
|
#define EM_68K 4 /* Motorola 68000. */
|
|
#define EM_88K 5 /* Motorola 88000. */
|
|
#define EM_860 7 /* Intel i860. */
|
|
#define EM_MIPS 8 /* MIPS R3000 Big-Endian only. */
|
|
#define EM_S370 9 /* IBM System/370. */
|
|
#define EM_MIPS_RS3_LE 10 /* MIPS R3000 Little-Endian. */
|
|
#define EM_PARISC 15 /* HP PA-RISC. */
|
|
#define EM_VPP500 17 /* Fujitsu VPP500. */
|
|
#define EM_SPARC32PLUS 18 /* SPARC v8plus. */
|
|
#define EM_960 19 /* Intel 80960. */
|
|
#define EM_PPC 20 /* PowerPC 32-bit. */
|
|
#define EM_PPC64 21 /* PowerPC 64-bit. */
|
|
#define EM_S390 22 /* IBM System/390. */
|
|
#define EM_V800 36 /* NEC V800. */
|
|
#define EM_FR20 37 /* Fujitsu FR20. */
|
|
#define EM_RH32 38 /* TRW RH-32. */
|
|
#define EM_RCE 39 /* Motorola RCE. */
|
|
#define EM_ARM 40 /* ARM. */
|
|
#define EM_SH 42 /* Hitachi SH. */
|
|
#define EM_SPARCV9 43 /* SPARC v9 64-bit. */
|
|
#define EM_TRICORE 44 /* Siemens TriCore embedded processor. */
|
|
#define EM_ARC 45 /* Argonaut RISC Core. */
|
|
#define EM_H8_300 46 /* Hitachi H8/300. */
|
|
#define EM_H8_300H 47 /* Hitachi H8/300H. */
|
|
#define EM_H8S 48 /* Hitachi H8S. */
|
|
#define EM_H8_500 49 /* Hitachi H8/500. */
|
|
#define EM_IA_64 50 /* Intel IA-64 Processor. */
|
|
#define EM_MIPS_X 51 /* Stanford MIPS-X. */
|
|
#define EM_COLDFIRE 52 /* Motorola ColdFire. */
|
|
#define EM_68HC12 53 /* Motorola M68HC12. */
|
|
#define EM_MMA 54 /* Fujitsu MMA. */
|
|
#define EM_PCP 55 /* Siemens PCP. */
|
|
#define EM_NCPU 56 /* Sony nCPU. */
|
|
#define EM_NDR1 57 /* Denso NDR1 microprocessor. */
|
|
#define EM_STARCORE 58 /* Motorola Star*Core processor. */
|
|
#define EM_ME16 59 /* Toyota ME16 processor. */
|
|
#define EM_ST100 60 /* STMicroelectronics ST100 processor. */
|
|
#define EM_TINYJ 61 /* Advanced Logic Corp. TinyJ processor. */
|
|
#define EM_X86_64 62 /* Advanced Micro Devices x86-64 */
|
|
|
|
/* Non-standard or deprecated. */
|
|
#define EM_486 6 /* Intel i486. */
|
|
#define EM_MIPS_RS4_BE 10 /* MIPS R4000 Big-Endian */
|
|
#define EM_ALPHA_STD 41 /* Digital Alpha (standard value). */
|
|
#define EM_ALPHA 0x9026 /* Alpha (written in the absence of an ABI) */
|
|
|
|
/* Special section indexes. */
|
|
#define SHN_UNDEF 0 /* Undefined, missing, irrelevant. */
|
|
#define SHN_LORESERVE 0xff00 /* First of reserved range. */
|
|
#define SHN_LOPROC 0xff00 /* First processor-specific. */
|
|
#define SHN_HIPROC 0xff1f /* Last processor-specific. */
|
|
#define SHN_LOOS 0xff20 /* First operating system-specific. */
|
|
#define SHN_HIOS 0xff3f /* Last operating system-specific. */
|
|
#define SHN_ABS 0xfff1 /* Absolute values. */
|
|
#define SHN_COMMON 0xfff2 /* Common data. */
|
|
#define SHN_XINDEX 0xffff /* Escape -- index stored elsewhere. */
|
|
#define SHN_HIRESERVE 0xffff /* Last of reserved range. */
|
|
|
|
/* sh_type */
|
|
#define SHT_NULL 0 /* inactive */
|
|
#define SHT_PROGBITS 1 /* program defined information */
|
|
#define SHT_SYMTAB 2 /* symbol table section */
|
|
#define SHT_STRTAB 3 /* string table section */
|
|
#define SHT_RELA 4 /* relocation section with addends */
|
|
#define SHT_HASH 5 /* symbol hash table section */
|
|
#define SHT_DYNAMIC 6 /* dynamic section */
|
|
#define SHT_NOTE 7 /* note section */
|
|
#define SHT_NOBITS 8 /* no space section */
|
|
#define SHT_REL 9 /* relocation section - no addends */
|
|
#define SHT_SHLIB 10 /* reserved - purpose unknown */
|
|
#define SHT_DYNSYM 11 /* dynamic symbol table section */
|
|
#define SHT_INIT_ARRAY 14 /* Initialization function pointers. */
|
|
#define SHT_FINI_ARRAY 15 /* Termination function pointers. */
|
|
#define SHT_PREINIT_ARRAY 16 /* Pre-initialization function ptrs. */
|
|
#define SHT_GROUP 17 /* Section group. */
|
|
#define SHT_SYMTAB_SHNDX 18 /* Section indexes (see SHN_XINDEX). */
|
|
#define SHT_LOOS 0x60000000 /* First of OS specific semantics */
|
|
#define SHT_GNU_verdef 0x6ffffffd /* Symbol versions provided */
|
|
#define SHT_GNU_verneed 0x6ffffffe /* Symbol versions required */
|
|
#define SHT_GNU_versym 0x6fffffff /* Symbol version table */
|
|
#define SHT_HIOS 0x6fffffff /* Last of OS specific semantics */
|
|
#define SHT_LOPROC 0x70000000 /* reserved range for processor */
|
|
#define SHT_HIPROC 0x7fffffff /* specific section header types */
|
|
#define SHT_LOUSER 0x80000000 /* reserved range for application */
|
|
#define SHT_HIUSER 0xffffffff /* specific indexes */
|
|
|
|
/* Flags for sh_flags. */
|
|
#define SHF_WRITE 0x1 /* Section contains writable data. */
|
|
#define SHF_ALLOC 0x2 /* Section occupies memory. */
|
|
#define SHF_EXECINSTR 0x4 /* Section contains instructions. */
|
|
#define SHF_MERGE 0x10 /* Section may be merged. */
|
|
#define SHF_STRINGS 0x20 /* Section contains strings. */
|
|
#define SHF_INFO_LINK 0x40 /* sh_info holds section index. */
|
|
#define SHF_LINK_ORDER 0x80 /* Special ordering requirements. */
|
|
#define SHF_OS_NONCONFORMING 0x100 /* OS-specific processing required. */
|
|
#define SHF_GROUP 0x200 /* Member of section group. */
|
|
#define SHF_TLS 0x400 /* Section contains TLS data. */
|
|
#define SHF_MASKOS 0x0ff00000 /* OS-specific semantics. */
|
|
#define SHF_MASKPROC 0xf0000000 /* Processor-specific semantics. */
|
|
|
|
/* Values for p_type. */
|
|
#define PT_NULL 0 /* Unused entry. */
|
|
#define PT_LOAD 1 /* Loadable segment. */
|
|
#define PT_DYNAMIC 2 /* Dynamic linking information segment. */
|
|
#define PT_INTERP 3 /* Pathname of interpreter. */
|
|
#define PT_NOTE 4 /* Auxiliary information. */
|
|
#define PT_SHLIB 5 /* Reserved (not used). */
|
|
#define PT_PHDR 6 /* Location of program header itself. */
|
|
#define PT_TLS 7 /* Thread local storage segment */
|
|
#define PT_LOOS 0x60000000 /* First OS-specific. */
|
|
#define PT_HIOS 0x6fffffff /* Last OS-specific. */
|
|
#define PT_LOPROC 0x70000000 /* First processor-specific type. */
|
|
#define PT_HIPROC 0x7fffffff /* Last processor-specific type. */
|
|
|
|
/* Values for p_flags. */
|
|
#define PF_X 0x1 /* Executable. */
|
|
#define PF_W 0x2 /* Writable. */
|
|
#define PF_R 0x4 /* Readable. */
|
|
#define PF_MASKOS 0x0ff00000 /* Operating system-specific. */
|
|
#define PF_MASKPROC 0xf0000000 /* Processor-specific. */
|
|
|
|
/* Values for d_tag. */
|
|
#define DT_NULL 0 /* Terminating entry. */
|
|
#define DT_NEEDED 1 /* String table offset of a needed shared
|
|
library. */
|
|
#define DT_PLTRELSZ 2 /* Total size in bytes of PLT relocations. */
|
|
#define DT_PLTGOT 3 /* Processor-dependent address. */
|
|
#define DT_HASH 4 /* Address of symbol hash table. */
|
|
#define DT_STRTAB 5 /* Address of string table. */
|
|
#define DT_SYMTAB 6 /* Address of symbol table. */
|
|
#define DT_RELA 7 /* Address of ElfNN_Rela relocations. */
|
|
#define DT_RELASZ 8 /* Total size of ElfNN_Rela relocations. */
|
|
#define DT_RELAENT 9 /* Size of each ElfNN_Rela relocation entry. */
|
|
#define DT_STRSZ 10 /* Size of string table. */
|
|
#define DT_SYMENT 11 /* Size of each symbol table entry. */
|
|
#define DT_INIT 12 /* Address of initialization function. */
|
|
#define DT_FINI 13 /* Address of finalization function. */
|
|
#define DT_SONAME 14 /* String table offset of shared object
|
|
name. */
|
|
#define DT_RPATH 15 /* String table offset of library path. [sup] */
|
|
#define DT_SYMBOLIC 16 /* Indicates "symbolic" linking. [sup] */
|
|
#define DT_REL 17 /* Address of ElfNN_Rel relocations. */
|
|
#define DT_RELSZ 18 /* Total size of ElfNN_Rel relocations. */
|
|
#define DT_RELENT 19 /* Size of each ElfNN_Rel relocation. */
|
|
#define DT_PLTREL 20 /* Type of relocation used for PLT. */
|
|
#define DT_DEBUG 21 /* Reserved (not used). */
|
|
#define DT_TEXTREL 22 /* Indicates there may be relocations in
|
|
non-writable segments. [sup] */
|
|
#define DT_JMPREL 23 /* Address of PLT relocations. */
|
|
#define DT_BIND_NOW 24 /* [sup] */
|
|
#define DT_INIT_ARRAY 25 /* Address of the array of pointers to
|
|
initialization functions */
|
|
#define DT_FINI_ARRAY 26 /* Address of the array of pointers to
|
|
termination functions */
|
|
#define DT_INIT_ARRAYSZ 27 /* Size in bytes of the array of
|
|
initialization functions. */
|
|
#define DT_FINI_ARRAYSZ 28 /* Size in bytes of the array of
|
|
terminationfunctions. */
|
|
#define DT_RUNPATH 29 /* String table offset of a null-terminated
|
|
library search path string. */
|
|
#define DT_FLAGS 30 /* Object specific flag values. */
|
|
#define DT_ENCODING 32 /* Values greater than or equal to DT_ENCODING
|
|
and less than DT_LOOS follow the rules for
|
|
the interpretation of the d_un union
|
|
as follows: even == 'd_ptr', even == 'd_val'
|
|
or none */
|
|
#define DT_PREINIT_ARRAY 32 /* Address of the array of pointers to
|
|
pre-initialization functions. */
|
|
#define DT_PREINIT_ARRAYSZ 33 /* Size in bytes of the array of
|
|
pre-initialization functions. */
|
|
#define DT_LOOS 0x6000000d /* First OS-specific */
|
|
#define DT_HIOS 0x6ffff000 /* Last OS-specific */
|
|
#define DT_LOPROC 0x70000000 /* First processor-specific type. */
|
|
#define DT_HIPROC 0x7fffffff /* Last processor-specific type. */
|
|
|
|
#define DT_VERSYM 0x6ffffff0 /* Address of versym section. */
|
|
#define DT_VERDEF 0x6ffffffc /* Address of verdef section. */
|
|
#define DT_VERDEFNUM 0x6ffffffd /* Number of elems in verdef section */
|
|
#define DT_VERNEED 0x6ffffffe /* Address of verneed section. */
|
|
#define DT_VERNEEDNUM 0x6fffffff /* Number of elems in verneed section */
|
|
|
|
/* Values for DT_FLAGS */
|
|
#define DF_ORIGIN 0x0001 /* Indicates that the object being loaded may
|
|
make reference to the $ORIGIN substitution
|
|
string */
|
|
#define DF_SYMBOLIC 0x0002 /* Indicates "symbolic" linking. */
|
|
#define DF_TEXTREL 0x0004 /* Indicates there may be relocations in
|
|
non-writable segments. */
|
|
#define DF_BIND_NOW 0x0008 /* Indicates that the dynamic linker should
|
|
process all relocations for the object
|
|
containing this entry before transferring
|
|
control to the program. */
|
|
#define DF_STATIC_TLS 0x0010 /* Indicates that the shared object or
|
|
executable contains code using a static
|
|
thread-local storage scheme. */
|
|
|
|
/* Values for n_type. Used in core files. */
|
|
#define NT_PRSTATUS 1 /* Process status. */
|
|
#define NT_FPREGSET 2 /* Floating point registers. */
|
|
#define NT_PRPSINFO 3 /* Process state info. */
|
|
|
|
/* Symbol Binding - ELFNN_ST_BIND - st_info */
|
|
#define STB_LOCAL 0 /* Local symbol */
|
|
#define STB_GLOBAL 1 /* Global symbol */
|
|
#define STB_WEAK 2 /* like global - lower precedence */
|
|
#define STB_LOOS 10 /* Reserved range for operating system */
|
|
#define STB_HIOS 12 /* specific semantics. */
|
|
#define STB_LOPROC 13 /* reserved range for processor */
|
|
#define STB_HIPROC 15 /* specific semantics. */
|
|
|
|
/* Symbol type - ELFNN_ST_TYPE - st_info */
|
|
#define STT_NOTYPE 0 /* Unspecified type. */
|
|
#define STT_OBJECT 1 /* Data object. */
|
|
#define STT_FUNC 2 /* Function. */
|
|
#define STT_SECTION 3 /* Section. */
|
|
#define STT_FILE 4 /* Source file. */
|
|
#define STT_COMMON 5 /* Uninitialized common block. */
|
|
#define STT_TLS 6 /* TLS object. */
|
|
#define STT_LOOS 10 /* Reserved range for operating system */
|
|
#define STT_HIOS 12 /* specific semantics. */
|
|
#define STT_LOPROC 13 /* reserved range for processor */
|
|
#define STT_HIPROC 15 /* specific semantics. */
|
|
|
|
/* Symbol visibility - ELFNN_ST_VISIBILITY - st_other */
|
|
#define STV_DEFAULT 0x0 /* Default visibility (see binding). */
|
|
#define STV_INTERNAL 0x1 /* Special meaning in relocatable objects. */
|
|
#define STV_HIDDEN 0x2 /* Not visible. */
|
|
#define STV_PROTECTED 0x3 /* Visible but not preemptible. */
|
|
|
|
/* Special symbol table indexes. */
|
|
#define STN_UNDEF 0 /* Undefined symbol index. */
|
|
|
|
/* Symbol versioning flags. */
|
|
#define VER_DEF_CURRENT 1
|
|
#define VER_DEF_IDX(x) VER_NDX(x)
|
|
|
|
#define VER_FLG_BASE 0x01
|
|
#define VER_FLG_WEAK 0x02
|
|
|
|
#define VER_NEED_CURRENT 1
|
|
#define VER_NEED_WEAK (1u << 15)
|
|
#define VER_NEED_HIDDEN VER_NDX_HIDDEN
|
|
#define VER_NEED_IDX(x) VER_NDX(x)
|
|
|
|
#define VER_NDX_LOCAL 0
|
|
#define VER_NDX_GLOBAL 1
|
|
#define VER_NDX_GIVEN 2
|
|
|
|
#define VER_NDX_HIDDEN (1u << 15)
|
|
#define VER_NDX(x) ((x) & ~(1u << 15))
|
|
|
|
#endif /* !_SYS_ELF_COMMON_H_ */
|